On 3/26/20 12:45 PM, Gene Heskett wrote:
On Thursday 26 March 2020 13:14:45 Stuart Stevenson wrote:
For years when someone has asked "What do you make?" my answer has
been "chips". You just get the raw material and make chips out of
everything that is not part.
Simple concept.
Rather like the sculptor standing next to 30ton block of granite saying
he's removing anything that doesn't look like an elephant.
sounds like it.
On Thu, Mar 26, 2020, 11:35 AM Chris Albertson
<albertson.ch...@gmail.com>
wrote:1
On Thu, Mar 26, 2020 at 8:19 AM R C <cjv...@gmail.com> wrote:
Hello group/list,
So I am at home most of the time, working from home, like most of
us probably, but since I can't really do my job from home
I have been directed to look into things like "Additive
Manufacturing", g-codes etc etc...
I was just thinking (ok ok .. I am bored...) But if terminology
is buffed up and 3D printing is called "Additive Manufacturing"
just
to make it sound better, maybe we should start calling CNC
machining "Subtractive Manufacturing", or has that already
happened?
Yes, that has already happend, years ago. What I would do to
look into 3D printing is buy one of the less then $200 printers and
make parts. A great project is maybe a robot or a small CNC machine
tool made from plastic parts. You learn best when you have a
project that pushes your skills just a little.
You can also combine additive and subtrctive methods. for example
print, a part then treat it as casting and clean it up on a mill or
lathe. Either you need an expensive printer that can print metal
or you print a mold in plastic then sand cast it, then machine it.
There is quite a lot to exlore at the ntersection of adding and
subtracting. Another is printing fixtures for machining. Plastic
works well for holding and clamping odd-shape metal parts
Ron
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--
Chris Albertson
Redondo Beach, California
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Cheers, Gene Heskett
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